[Partner Nodes] GPTImage: fix price badges, add new resolutions

[bigcat88]

API Node PR Checklist

Scope

• Is API Node Change

Pricing & Billing

• Need pricing update
• No pricing update

If Need pricing update:

• Metronome rate cards updated
• Auto‑billing tests updated and passing

QA

• QA done
• QA not required

Comms

• Informed Kosinkadink

[coderabbitai]

📝 Walkthrough

Walkthrough

Adds GPT Image 2 support to the image-generation node: a new token-price helper calculate_tokens_price_image_2_0, expanded size options to include GPT Image 2 resolutions, and model-aware pricing badge logic using a $ranges map keyed by model. Badge computation now multiplies the selected USD range by n (defaults to 1) and marks amounts as approximate. Validation restricts allowed size values for gpt-image-1/gpt-image-1.5 and disallows background="transparent" for gpt-image-2. The gpt-image-2 pricing extractor was switched to the new Image 2.0 calculator.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the main changes: fixing price badges and adding new resolutions for GPTImage nodes, which aligns with the changeset modifications.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Description check	✅ Passed	The PR description matches the changeset: it documents API node changes for GPTImage pricing badges and resolutions, with pricing scope clearly marked as 'No pricing update'.

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[coderabbitai]

Actionable comments posted: 2

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Inline comments:
In `@comfy_api_nodes/nodes_openai.py`:
- Around line 479-487: The conditional that builds the price object uses $range
(from $lookup($ranges, widgets.model, widgets.quality)) and $n (widgets.n) but
only appends a suffix for n>1 without scaling min_usd/max_usd; update the
ternary branch where ($n = 1) ? ... : ... so that in the else branch you set
"min_usd" to $range[0] * $n and "max_usd" to $range[1] * $n (keeping the
existing "format" suffix of " x " & $string($n) & "/Run"), ensuring structured
price fields reflect the total run cost for n>1.
- Around line 360-361: The calculate_tokens_price_image_2_0 function currently
charges all input tokens at the image input rate; update it to split input token
counts using response.input_tokens_details (use text_tokens * 5.0 + image_tokens
* 8.0) and add output tokens at 30.0/M, then divide the sum by 1_000_000. Use
response.input_tokens_details.text_tokens and .image_tokens when present, and
fall back to response.usage.input_tokens (treated as all-image or all-text as
appropriate) if input_tokens_details is missing or None; keep the function
signature calculate_tokens_price_image_2_0(response:
OpenAIImageGenerationResponse) unchanged.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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ℹ️ Review info

⚙️ Run configuration

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Run ID: d004f6d7-3832-4da8-8d58-11da2f066d14

📥 Commits

Reviewing files that changed from the base of the PR and between db85cf0 and c69cca8.

📒 Files selected for processing (1)

• comfy_api_nodes/nodes_openai.py